Remove unnecessary fixtures in signatures from pygrep tests
Remove unnecessary fixtures in signatures from pygrep tests

pre-commit/pre-commit,pre-commit/pre-commit,pre-commit/pre-commit,pre-commit/pre-commit,pre-commit/pre-commit,pre-commit/pre-commit,pre-commit/pre-commit,pre-commit/pre-commit,pre-commit/pre-commit,pre-commit/pre-commit,pre-commit/pre-commit